Connected: An Internet Encyclopedia
RFC 822 - 5.1. SYNTAX

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### 5.1. SYNTAX

         date-time   =  [ day "," ] date time        ; dd mm yy
                                                     ;  hh:mm:ss zzz

         day         =  "Mon"  / "Tue" /  "Wed"  / "Thu"
                     /  "Fri"  / "Sat" /  "Sun"

         date        =  1*2DIGIT month 2DIGIT        ; day month year
                                                     ;  e.g. 20 Jun 82

         month       =  "Jan"  /  "Feb" /  "Mar"  /  "Apr"
                     /  "May"  /  "Jun" /  "Jul"  /  "Aug"
                     /  "Sep"  /  "Oct" /  "Nov"  /  "Dec"

         time        =  hour zone                    ; ANSI and Military

         hour        =  2DIGIT ":" 2DIGIT [":" 2DIGIT]
                                                     ; 00:00:00 - 23:59:59

         zone        =  "UT"  / "GMT"                ; Universal Time
                                                     ; North American : UT
                     /  "EST" / "EDT"                ;  Eastern:  - 5/ - 4
                     /  "CST" / "CDT"                ;  Central:  - 6/ - 5
                     /  "MST" / "MDT"                ;  Mountain: - 7/ - 6
                     /  "PST" / "PDT"                ;  Pacific:  - 8/ - 7
                     /  1ALPHA                       ; Military: Z = UT;
                                                     ;  A:-1; (J not used)
                                                     ;  M:-12; N:+1; Y:+12
                     / ( ("+" / "-") 4DIGIT )        ; Local differential
                                                     ;  hours+min. (HHMM)

Next: 5.2. SEMANTICS

Connected: An Internet Encyclopedia
RFC 822 - 5.1. SYNTAX